Pith Number

pith:QFEFOTMA

pith:2015:QFEFOTMAFKVP5WUJR7CMANY4PQ

not attested not anchored not stored refs pending

Quantum Computation with Topological Codes: from qubit to topological fault-tolerance

Keisuke Fujii

arxiv:1504.01444 v1 · 2015-04-07 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFEFOTMAFKVP5WUJR7CMANY4PQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

2 papers in Pith

Controlling gain with loss: Bounds on localizable entanglement in multi-qubit systems

Decohered color code and emerging mixed toric code by anyon proliferation: Topological entanglement negativity perspective

Receipt and verification

First computed	2026-05-18T02:19:27.153029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8148574d802aaafeda898fc4c0371c7c1b352d158a3bfd463275d5f665ce5c3d

Aliases

arxiv: 1504.01444 · arxiv_version: 1504.01444v1 · doi: 10.48550/arxiv.1504.01444 · pith_short_12: QFEFOTMAFKVP · pith_short_16: QFEFOTMAFKVP5WUJ · pith_short_8: QFEFOTMA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QFEFOTMAFKVP5WUJR7CMANY4PQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8148574d802aaafeda898fc4c0371c7c1b352d158a3bfd463275d5f665ce5c3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b81325f689bc0c16c9a0ef9fbafe207f5353f862118802deb83bf92a19ce5e69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-07T00:40:46Z",
    "title_canon_sha256": "a8721e37f4aec557c1f000d910e5b1dc25bfa9ed2776b4ad3f0b4944686c364d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01444",
    "kind": "arxiv",
    "version": 1
  }
}